protected override Stream GetStreamInternal(Uri uri, FileMode mode, FileAccess access)
{
string path = GetPath(uri);
long offset;
if (!String.IsNullOrEmpty(uri.Fragment) && Int64.TryParse(HttpUtility.UrlDecode(uri.Fragment.Substring(1)), out offset))
{
DeviceStream stream;
switch (mode)
{
case FileMode.Create:
stream = new DeviceStream(path, FileMode.OpenOrCreate, access);
stream.SetLength(offset);
break;
case FileMode.Truncate:
stream = new DeviceStream(path, FileMode.Open, access);
stream.SetLength(offset);
break;
default:
stream = new DeviceStream(path, mode, access);
break;
}
stream.Seek(offset, SeekOrigin.Begin);
return(stream);
}
else
{
return(new DeviceStream(path, mode, access));
}
}
protected override void When()
{
DeviceStream.SetLength(9876L);
}